我使用this示例来获取图像路径。当我得到小的图像路径时,每件事都可以,但是当我想要获得巨大的图像路径时,我的应用程序就会粉碎。我不知道为什么会发生这种情况,因为我不使用ImageView来显示所选路径中的图像。
我的代码在这里打开图库并选择图片:
selectImgBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("image/*");
startActivityForResult(intent, 0);
//urlTV.setText(getMainPath());
}
});
第二个显示路径:
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK && data != null){
String realPath;
if (Build.VERSION.SDK_INT < 19){
realPath = RealPathUtil.getRealPathFromURI_API11to18(this, data.getData());
} else {
realPath = RealPathUtil.getRealPathFromURI_API19(this, data.getData());
}
setMainPath(realPath);
/*setFile(realPath);
setToTextViews(Build.VERSION.SDK_INT, data.getData().getPath(), realPath);*/
urlTV.setText(getMainPath());
}
}
谢谢!
引起:java.lang.IllegalArgumentException:不是文档:content:// media / external / images / media / 32257 在android.provider.DocumentsContract.getDocumentId(DocumentsContract.java:629) at com.example.murager.httpclientapp.classes.RealPathUtil.getRealPathFromURI_API19(RealPathUtil.java:19) at com.example.murager.httpclientapp.activities.MainActivity.onActivityResult(MainActivity.java:98) 在android.app.Activity.dispatchActivityResult(Activity.java:5456) 在android.app.ActivityThread.deliverResults(ActivityThread.java:3549) 在android.app.ActivityThread.handleSendResult(ActivityThread.java:3596) 在android.app.ActivityThread.access $ 1300(ActivityThread.java:151) 在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1369) 在android.os.Handler.dispatchMessage(Handler.java:110) 在android.os.Looper.loop(Looper.java:193) 在android.app.ActivityThread.main(ActivityThread.java:5292) at java.lang.reflect.Method.invokeNative(Native Method) 在java.lang.reflect.Method.invoke(Method.java:515) 在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:824) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640) 在dalvik.system.NativeStart.main(本地方法)
答案 0 :(得分:7)
使用此类在onActivityResult中获取图像路径
public final class GetFilePathFromDevice {
/**
* Get file path from URI
*
* @param context context of Activity
* @param uri uri of file
* @return path of given URI
*/
public static String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
// DocumentProvider
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
if (isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = "_id=?";
final String[] selectionArgs = new String[]{split[1]};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {
// Return the remote address
if (isGooglePhotosUri(uri))
return uri.getLastPathSegment();
return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = {column};
try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
final int index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(index);
}
} finally {
if (cursor != null)
cursor.close();
}
return null;
}
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri.getAuthority());
}
}
自动检查设备操作系统是棒棒糖还是高于或低于棒棒糖,并根据它给出图像路径。检查它是否适用于您的情况。
您可以像这样使用此类。
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK && data != null){
String realPath = GetFilePathFromDevice.getPath(this, data.getData());
setMainPath(realPath);
urlTV.setText(getMainPath());
}
}
我希望它有所帮助!
答案 1 :(得分:0)
错误是因为API级别。您使用的代码仅与特定API级别兼容。试试这个。
if (Build.VERSION.SDK_INT <19){
Intent intent = new Intent();
intent.setType("image/jpeg");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,
getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED);
}else{
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActivityForResult(intent, GALLERY_KITKAT_INTENT_CALLED);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode != Activity.RESULT_OK) return;
if (null == data) return;
Uri originalUri = null;
if (requestCode == GALLERY_INTENT_CALLED) {
originalUri = data.getData();
} else if (requestCode == GALLERY_KITKAT_INTENT_CALLED) {
originalUri = data.getData();
final int takeFlags = data.getFlags()
& (Intent.FLAG_GRANT_READ_URI_PERMISSION
| Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
// Check for the freshest data.
getContentResolver().takePersistableUriPermission(originalUri, takeFlags);
}
loadSomeStreamAsynkTask(originalUri);
}